.container{
    display: flex;
    width: 100%;
    height: 100%;
}
.left{
    width: 300px;
    padding: 10px;
    // background-color: aqua;
}
.middle{
    flex:1;
    // background-color: #ccc;
    padding: 10px;
    border-left: 1px dashed #ccc;
    border-right: 1px dashed #ccc;
    p{
        text-indent: 2em;
    }
}
.right{
    padding: 10px;
    width: 300px;
    // background-color:blueviolet;
}

.ul{
    list-style: none;
   padding: 0;
    // margin: ;
}

.li{
    width: 280px;
    overflow: hidden;
    text-overflow:ellipsis;
    white-space: nowrap;
    border-bottom: 1px dashed #ccc;
}

.li:hover{
    background-color: #ccc;
}
.a{color:#000}
.a :link{color: pink;}
.a :visited{color: purple;}
.a :hover{color:yellow}
.a :active{color: palevioletred;}


.menu {
    width: 100px;
    background-color: #ccc;
    border: 1px solid #ccc;
    position: absolute;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
    padding: 10px 0;
    transition: all 0.1s ease;
  }
  .menu li {
    list-style: none;
    width: 100%;
  }
  .menu li a {
    display: inline-block;
    text-decoration: none;
    color: #555;
    width: 100%;
    padding: 5px 0;
    text-align: center;
  }
  .menu li:first-of-type {
    border-radius: 5px 5px 0 0;
  }
  .menu li a:hover,
  .menu li a:active {
    background: #eee;
    color: #0aaf88;
  }

  .bold {
    text-decoration: underline;
    font-weight: bold;
    color: #e67e22;
  }